Cadillac Seville / Cadillac Eldorado Forum Discussion, 92 Eldorado 4.9L: found a hose by the air filter not connected to anything in Past Cadillac Vehicle Discussion; There's three good shots of the hose there.
I was just replacing my spark plugs when I noticed that hose ...

92 Eldorado 4.9L: found a hose by the air filter not connected to anything

There's three good shots of the hose there.
I was just replacing my spark plugs when I noticed that hose there just chillin not connected to anything, looks like a vacuum. Any ideas?
All serious responses are appreciated.